1S A E 8Q 2L I A U E U T O 15R 16I V R 9C I 12Y S I C E L A L A D 19E M 25D R R 29O N T S N 26A N A F 11M 13R E A 14L I E L D E N N N T C U L A 28S A N I D M A A I G N E I S C H P E 21I 27O U A S S H E O Across 1 Sage plants 4 What a leaf scale may leave 7 Emerald borer target 8 Oak shaped 12 What bryony has two of? 13 Fix a sequence matrix, perhaps 15 Paddy 16 Monotypic New Zealand genus embedded in Cardamine 17 Junction preceder in cytogenetics? 18 Enzyme important in signal transduction 19 Lava-loving plants of Sicily 20 Common lab mutagen S E 24N E I 17D U T L 31V 6C G V I 5R 7A R 18K 23I T A 10O F H E C C 22C T 30S 4S G T N A S N I 20E T 3A V S R C A E R N G E A T S O A L 21 Plant domesticated by Eastern North American Indians 22 Fungal cell walls, for example 25 Blood-sucking orchid? 27 Home of the Robert Bebb Herbarium (abbr.) 28 Corethrogyne plants 29 Avena 30 Moss sporophyte stalk 31 Of plants Down 1 One of the redwoods 2 Compounds obtained from almond seeds 3 What arak and ouzo share 4 Talus 5 Indian finger millet 6 Ornamental tree of the southern US with invasive potential 9 Palm-like genus and type of its family 10 Center of ________ 11 Pertaining to cotton, chocolate, and their kin 14 Flowering trigger or name of a flowering mutant (abbr.) 17 Splitting-open 18 Lilium lancifolium 22 mL 23 Tropical Annona fruit 24 Possible outcome of a failed Humulus and Hordeum crop 26 What Hydnophytum houses Across 1 Salvias 4 Scar 7 Ash 8 Querciform 12 Ys 13 Realign 15 Rice field 16 Iti 17 Dis 18 Kinase 19 Etnaean 20 EMS 21 Iva 22 Chitinous 25 Dracula 27 OU 28 Sand Asters 29 Oat 30 Seta 31 Vegetal Down 1 Sequoiadendron 2 Laetriles 3 Anise 4 Scree 5 Ragi 6 Chinese parasol 9 Cyclanthus 10 Origin 11 Malvaceous 14 LD 17 Dehiscent 18 Kentan 22 CC 23 Ilama 24 No ale 26 Ants